Clinical trials: Constriction
Williams-Beuren Syndrome, Micro-duplication 7q11.23 Syndrome
Quantification of Elastin Markers Synthesis in Williams-Beuren Syndrome and 7q11.23 Micro-duplication Syndrome
Introduction: Williams-Beuren syndrome is a rare genetic disorder caused by a 7q11.23 microdeletion. The phenotype associates vasculopathy (arterial stenosis, hypertension), dimorphism and intellectual disability.
- Conditions
- Williams-Beuren Syndrome, Micro-duplication 7q11.23 Syndrome, Vasculopathy
- Trial name
- ELAST7 (NCT04051086)
- Testing
- Physical examination and Urine and blood samples, Urine and blood samples
- Where
- France
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Hospices Civils de Lyon
RAS Mutation, Neurofibromatosis 1
RASopathy Biorepository
The RASopathies are a group of developmental disorders caused by genetic changes in the genes that compose the Ras/mitogen activated protein kinase (MAPK) pathway. New RASopathies are being diagnosed frequently.
- Conditions
- RAS Mutation, Neurofibromatosis 1, Noonan Syndrome, Noonan Syndrome With Multiple Lentigines
- Trial name
- NCT04395495
- Where
- United States
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- Children's Hospital Medical Center, Cincinnati
Hypertrophic Cardiomyopathy
A Trial of HS-10511 in Healthy Subjects
This study is a phase I, randomized, double-blind, placebo-controlled clinical trial evaluating the safety, tolerability, and pharmacodynamic (PK) and pharmacodynamic (PD) characteristics of HS-10511 when administered as single…
- Trial name
- NCT06210607
- Testing
- HS-10511 Tablets
- Volunteers
- 96 people, healthy volunteers welcome
- Sponsor
- Jiangsu Hansoh Pharmaceutical Co., Ltd.
Carotid Artery Stenosis
Optimization Strategy of Carotid Artery Stenosis
The goal of this observational study is to learn about how to utilize multiple evaluation techniques in carotid artery stenosis patients for optimizing assessment of diagnosis and treatment strategy.
- Trial name
- COAS-CAS (NCT05629000)
- Testing
- Carotid revascularization, MRI-PWI, CTA
- Where
- China
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- Peking Union Medical College Hospital
Valvular Heart Disease
Age and Sex-Specific PREValence of AcqUirEd VALVular Heart DiseasE
The PREVUE-VALVE study will establish reliable, population-based estimates of Valvular Heart Disease (VHD) prevalence among older Americans and allow for the development and validation of several innovative tools to aid in the…
- Trial name
- PREVUE-VALVE (NCT05357404)
- Where
- United States
- Volunteers
- 2,870 people, healthy volunteers welcome
- Sponsor
- Cardiovascular Research Foundation, New York
Near-Infrared Spectroscopy, Iliac Artery Stenosis
NIRS and Exercise Intensity in Patients With FLIA
The research objectives of this project are to increase the understanding of pathophysiology and performance limitations related to sport-related flow limitation in the iliac artery (FLIA) using non-invasive measurement of muscle…
- Conditions
- Near-Infrared Spectroscopy, Iliac Artery Stenosis, Iliac Artery Disease, Iliac Artery Occlusion
- Trial name
- NCT05229250
- Testing
- Cycling test, Occlusion tests, NIRS during cycling
- Where
- Netherlands
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Maxima Medical Center
Lumbar Spinal Stenosis
A Pivotal Study of a Facet Replacement System to Treat Spinal Stenosis
The purpose of this study is to determine if the ACADIA® Facet Replacement System is effective in the treatment of spinal stenosis.
- Trial name
- NCT00401518
- Testing
- Non-randomized ACADIA® Facet Replacement System, Randomized ACADIA® Facet Replacement System, Randomized Instrumented posterolateral fusion (PLF)
- Where
- 29 sites in United States, Puerto Rico
- Volunteers
- 390 people, healthy volunteers welcome
- Sponsor
- Globus Medical Inc
Aortic Stenosis, Arteriosclerosis
Aortic Stenosis in Subjects With Heterozygous Familial Hypercholesterolemia on Prolonged Treatment With Statins
Aortic stenosis (AE) is a disease that has been increasing steadily in recent years in most countries, including Spain.Risk factors for the development of AE include age, hypercholesterolemia, diabetes mellitus and arterial…
- Conditions
- Aortic Stenosis, Arteriosclerosis, Familial Hypercholesterolemia, Conventional Transthoracic Echocardiogram
- Trial name
- NCT03310671
- Testing
- Echocardiogram
- Where
- Spain
- Volunteers
- 900 people, healthy volunteers welcome
- Sponsor
- Instituto Aragones de Ciencias de la Salud
Ophthalmopathy , Lacrimal System
Evaluation of Lacrimal Punctal Changes by Anterior Segment Optical Coherence Tomography AS-OCT After Topical Combined Antibiotics and Steroids Treatment in Cases of Inflammatory Punctual Stenosis
Punctal stenosis is an important etiological factor that should be considered when assessing patients with epiphora. Anatomically, acquired punctal stenosis is a condition in which the external opening of the lacrimal canaliculus…
- Trial name
- NCT05028907
- Testing
- 5 mg chloramphenicol, 1 mg dexamethasone sodium phosphate, 0.25 mg tetryzoline hydrochloride, 2 mg Hydroxypropyl Methyl Cellulose, 10 mg α-tocopherol acetate and 8 mg macrogol 400)., sodium hyaluronate, polyethylene and propylene glycol based) three times daily for three months
- Where
- Egypt
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- Sohag University
Type 1 Diabetes Mellitus
The Effect of Uric Acid Lowering in Type 1 Diabetes
Patients with type 1 diabetes mellitus (T1DM) are at high risk of developing kidney complications potentially leading to end stage renal disease.
- Trial name
- NCT02344602
- Testing
- Febuxostat
- Where
- Canada
- Volunteers
- 73 people, healthy volunteers welcome
- Sponsor
- University Health Network, Toronto
Cardiomyopathy, Dilated, Cardiomyopathy, Hypertrophic
Association of Insulin Resistance and FGF21 on Cardiac Function in Pediatric Dilated Cardiomyopathy
This study will investigate whether there is an association between insulin resistance and cardiac function in children with dilated or hypertrophic cardiomyopathy.
- Conditions
- Cardiomyopathy, Dilated, Cardiomyopathy, Hypertrophic, Insulin Resistance
- Trial name
- NCT04222101
- Testing
- Oral glucose tolerance test
- Where
- United States
- Volunteers
- 9 people, healthy volunteers welcome
- Sponsor
- Le Bonheur Children's Hospital
Healthy Volunteers, Heart Failure
Water- and Salt-homeostasis in Healthy Humans, and in Patients With Heart- or Lung Disease
The purpose of the study is to determine whether the excretion of renal water- and salt-channels in the urine reflects the handling of water and salt in the kidneys, and whether the excretion can be used to monitor and/or predict…
- Conditions
- Healthy Volunteers, Heart Failure, Aortic Stenosis, Ischemic Heart Disease
- Trial name
- NCT00830726
- Testing
- Pharmacologic and mechanical heart failure treatment, Aortic valve replacement, Revascularisation in Acute Coronary Syndrome
- Where
- Denmark
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Kolding Sygehus
Myocardial Infarction (MI), Hypertrophic Cardiomyopathy (HCM)
The Application of T1 Mapping in Real-World
The goal of this observational study is to create a comprehensive real-world spectrum of T1 mapping measurements across different heart conditions.
- Conditions
- Myocardial Infarction (MI), Hypertrophic Cardiomyopathy (HCM), Dilated Cardiomyopathy (DCM), Arrhythmogenic Cardiomyopathy
- Trial name
- NCT07354646
- Testing
- Magnetic Resonance Imaging with Contrast
- Where
- China
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- Chinese Academy of Medical Sciences, Fuwai Hospital
Dilated Cardiomyopathy, Hypertrophic Cardiomyopathy
Non-Invasive Evaluation of Myocardial Stiffness by Elastography in Pediatric Cardiology (Elasto-Pédiatrie)
First, investigators must determine the physiological standards across age classes of myocardial stiffness estimated by Elastography in ultrafast (estimated right ventricular stiffness [VD] and left ventricular [LV]).
- Trial name
- NCT02619825
- Testing
- Echography, Elastography
- Where
- France
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- French Cardiology Society
Aortic Stenosis
Clinical Significance of Collagen Metabolism Changes in Left Cardiac Ventricle
As there are no clinical data in cardiology about the relationship between metabolism collagen changes and their clinical significance, the investigators will check the hypothesis that collagen metabolism changes, detected by…
- Trial name
- NCT00693797
- Where
- Czechia
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Charles University, Czech Republic
Valvular Heart Diseases, Valvular Heart Disease Stenosis and Regurgitation
ECG and CXR for Predicting Cardiovascular Diseases
This retrospective multicenter cohort study aims to develop and validate an artificial intelligence model integrating electrocardiography (ECG) and chest radiography (CXR) to predict future progression of regurgitant valvular…
- Conditions
- Valvular Heart Diseases, Valvular Heart Disease Stenosis and Regurgitation, Regurgitation, Aortic Valve, Regurgitation, Mitral
- Trial name
- NCT07573852
- Where
- China
- Volunteers
- 116,380 people, healthy volunteers welcome
- Sponsor
- Shanghai Zhongshan Hospital
Lumbar Spinal Stenosis
Sensory Integration Therapy Training in Patients With Lumbar Spinal Stenosis
Lumbar spinal stenosis is a common degenerative disease in the elderly. Patients are often accompanied by paresthesias and decreased musculoskeletal system functions, resulting in disability and increasing the burden of medical…
- Trial name
- NCT05425667
- Testing
- virtual reality walking training
- Where
- Taiwan
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Atherosclerosis, Carotid Stenosis
Investigation of Plaque Instability Using Bevacizumab-800CW and MSOT
Determining whether we could visualize uptake of the fluorescent tracer Bevacizumab-800CW, targeting VEGF-A in atherosclerotic plaques by using the new imaging technique Multispectral Optoacoustic Tomography both in- and ex vivo.
- Conditions
- Atherosclerosis, Carotid Stenosis, Fluorescence
- Trial name
- Carotid (NCT03757507)
- Testing
- MultiSpectral Optoacoustic Tomography
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- G.M. van Dam
Cholangiocarcinoma, Biliary Stricture
Diagnostic Accuracy of ERCP-guided Versus Cholangioscopy-guided Tissue Acquisition in Patients With Indeterminate Biliary Strictures Suspected to be Intrinsic .
Primary Objective: To assess the diagnostic accuracy of cholangioscopy-based assessment using SpyDS technology compared to cholangiography-based assessment using ERCP-guided biopsy and brushing in patients with indeterminate…
- Trial name
- Cholangioscopy (NCT03140007)
- Testing
- single operator cholangioscopy, ERCP guided brushing and biopsy
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Asian Institute of Gastroenterology, India
Inherited Cardiac Arrythmias, Long QT Syndrome (LQTS)
Derivation of Human Induced Pluripotent Stem (iPS) Cells to Heritable Cardiac Arrhythmias
Human induced pluripotent stem cells (hiPSCs) have driven a paradigm shift in the modeling of human disease; the ability to reprogram patient-specific cells holds the promise of an enhanced understanding of disease mechanisms and…
- Conditions
- Inherited Cardiac Arrythmias, Long QT Syndrome (LQTS), Brugada Syndrome (BrS), Catecholaminergic Polymorphic Ventricular Tachycardia (CPVT)
- Trial name
- NCT02413450
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University